公开(公告)号：US12125869B2

公开(公告)日：2024-10-22

申请号：US17542720

申请日：2021-12-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kiwon Park ,  Geunwoo Ko ,  Inho Kim ,  Sungwook Lee ,  Jonghyun Lee ,  Byungchul Choi

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: A semiconductor light emitting device is provided. The semiconductor light emitting device includes a plurality of light emitting structures, each of which includes a first surface and a second surface, a plurality of embossed portions provided on the first surface; a partition wall structure provided on the first surface of the plurality of light emitting structures and including a plurality of partition walls which define a plurality of pixel spaces; and a fluorescent layer provided in the plurality of pixel spaces. A bottom surface of the partition wall structure contacts the plurality of embossed portions.

公开(公告)号：US11646398B2

公开(公告)日：2023-05-09

申请号：US17323042

申请日：2021-05-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kiwon Park ,  Namsung Kim ,  Youngsub Shin ,  Jonghyun Lee ,  Daemyung Chun ,  Byungchul Choi

IPC: H01L33/50 ,  H01L33/46 ,  H01L33/38 ,  H01L27/15 ,  H01L33/00

CPC classification number: H01L33/505 ,  H01L27/15 ,  H01L33/007 ,  H01L33/0093 ,  H01L33/382 ,  H01L33/46 ,  H01L2933/0016 ,  H01L2933/0025 ,  H01L2933/0041

Abstract: A semiconductor light emitting device including a semiconductor laminate having first and second surfaces, the semiconductor laminate including first and second conductivity-type semiconductor layers, and an active layer between the semiconductor layers; a partition structure on the first surface, the partition structure having a window defining a light emitting region of the first surface of the semiconductor laminate; a wavelength converter in the window, the wavelength converter being configured to convert a wavelength of light emitted from the active layer; and a first electrode and a second electrode on the second surface of the semiconductor laminate and respectively connected to the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer, wherein the semiconductor laminate includes a plurality of first patterns arranged in the light emitting region of the first surface, and a plurality of second patterns arranged in a covered region of the first surface contacting the partition structure.

公开(公告)号：US20240167573A1

公开(公告)日：2024-05-23

申请号：US18469222

申请日：2023-09-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byungchul Choi

IPC: F16K7/12 ,  F16K31/122

CPC classification number: F16K7/126 ,  F16K31/1221

Abstract: A fluid control device includes: a fluid block having a first channel extending from an inlet to an outlet and a second channel above and in communication with the first channel, the fluid block including a bending cover configured to cover the second channel to thereby block fluid from flowing from the inlet to the outlet of the first channel; and a valve having a hollow portion, a first hole connected to the hollow portion, a piston in the hollow portion, and an elastic body configured to elastically support the piston, the valve configured to pressurize the bending cover, wherein the fluid block includes a guide plate below the bending cover, wherein the fluid block includes a first passage through which control gas flows, and wherein the valve includes a second passage connecting the first passage to the hollow portion.